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  4. Light management: porous 1-dimensional nanocolumnar structures as effective photonic crystals for perovskite solar cells
 
research article

Light management: porous 1-dimensional nanocolumnar structures as effective photonic crystals for perovskite solar cells

Ramos, F. Javier
•
Oliva-Ramirez, Manuel
•
Nazeeruddin, Mohammad Khaja
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2016
Journal of Materials Chemistry A

Hybrid organic-inorganic perovskite solar cells are a topic of increasing interest, as in a short time span they are able to lead in the third generation photovoltaics. Organohalide perovskites possess exceptional optoelectronic and physical properties, thus making their implementation possible in many diverse configurations of photovoltaic devices. In this work, we present three different configurations of porous 1-dimensional photonic crystals (1-DPCs) based on alternated nanocolumnar layers of oxides with different refractive indices (n) that were deposited by Physical Vapor Deposition at Oblique Angle Deposition (PVD-OAD). They are then implemented as the photoanode in CH3NH3PbI3 solar cells to improve the management of light into the device. These configurations improved the performance of the photovoltaic system by designing a light interference structure capable of enhancing the absorption capability of the perovskite. A device fabricated using these photonic crystal structures presented an efficiency >12% in contrast with only 10.22% for a reference device based on non-photonic crystal TiO2 layers deposited under analogous conditions.

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Type
research article
DOI
10.1039/c5ta08743k
Web of Science ID

WOS:000372754000037

Author(s)
Ramos, F. Javier
Oliva-Ramirez, Manuel
Nazeeruddin, Mohammad Khaja
Graetzel, Michael
Gonzalez-Elipe, Agustin R.
Ahmad, Shahzada
Date Issued

2016

Publisher

Royal Society of Chemistry

Published in
Journal of Materials Chemistry A
Volume

4

Issue

13

Start page

4962

End page

4970

Subjects

TIO2 NANOWIRE ARRAYS

•

HIGH-PERFORMANCE

•

THIN-FILMS

•

OPTICAL-PROPERTIES

•

CHARGE COLLECTION

•

EFFICIENCY

•

DEPOSITION

•

PERSPECTIVES

•

ENHANCEMENT

•

PHOTOANODES

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
GMF  
Available on Infoscience
July 16, 2016
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/127222
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